abbr, acronym, span.abbr {
  width: 18px;
  height: 18px;
	background-image: url(img/ed_abbreviation.gif);	
	background-repeat: no-repeat;
	background-position: left top;
	white-space : nowrap;	
	cursor: help;
	border-bottom: 1px dashed #000;
	padding-left: 19px;
}